Advertisements
Advertisements
प्रश्न
What are the requisites of the medium for the propagation of sound? Briefly, explain them.
Advertisements
उत्तर
The following are the requisites of medium to travel:
(i) The medium should possess elasticity so that particles of the medium have the tendency to come back to their original position after the displacement.
(ii) The medium should be frictionless so that there should be a loss of energy.
(iii) The medium must possess inertia so that particles of the medium have the ability to store energy.
APPEARS IN
संबंधित प्रश्न
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Out of solids, liquids and gases :
(a) in which medium sound travels slowest?
(b) in which medium sound travels fastest?
State one observation from everyday life which shows that sound travels much more slow than light.
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
Through which of the following materials can sound travel? wood, air, water, steam, ice, hydrogen, steel, diamond.
Answer the following question :
How does the speed of sound differ in different media?
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
State three characteristics of the medium required for the propagation of sound.
______ is the number of vibrations of a particle in the medium, in one second
The small to and fro motion is called vibration.
